The Magpul B.A.D. Lever (Battery Assist Device) is designed to considerably improve the speed and efficiency of the AR15/M16 bolt catch. The B.A.D. Lever quickly addresses reloading and malfunction clearance shortcomings of AR15/M16 platforms by extending a paddle to the right side of the weapon, allowing manipulation of the bolt stop from the fire control/ready position with the right-hand trigger finger.

makes it a lot easier to clear malfunctions allows you to do a lot more with out taking your firing hand. I consider this and an ambidextrous safety essential upgrades easily installs and uninstalls. GTG.